ShutterstockWhen was the last time you snuck a note into your child’s lunchbox? If it's been a while, experts say it's time to do it again.Author, parenting coach, and teacher Melissa Schwartz says she's a "huge proponent" of lunchbox notes for kids. "Leaving short love notes for children is a wonderful way to stay connected, especially in a world where so little communication is tangible," she tells Scary Mommy. "A short note with a doodle or sticker is a fabulous way to remind your child that you're thinking of them even when you're not together. Writing a few affirming words — like 'You're...